422518012 has 12 divisors (see below), whose sum is σ = 845036080. Its totient is φ = 181079136.

The previous prime is 422518009. The next prime is 422518037. The reversal of 422518012 is 210815224.

422518012 is an admirable number.

It is a super-3 number, since 3×422518012³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7544937 + ... + 7544992.

Almost surely, 2^422518012 is an apocalyptic number.

It is an amenable number.

422518012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422518012 is a wasteful number, since it uses less digits than its factorization.

422518012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15089940 (or 15089938 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 422518012 is about 20555.2429321572. The cubic root of 422518012 is about 750.3808507191.

The spelling of 422518012 in words is "four hundred twenty-two million, five hundred eighteen thousand, twelve".